- [new] add `legacyContextMode`, and `getChildContext` lifecycle method (#1971)
 - [deps] update `enzyme-adapter-utils`, `object.values`, `react-is`, `enzyme-adapter-react-helper`
 - [dev deps] update `eslint`, `eslint-plugin-react`, `rimraf`, `eslint-plugin-import`, `eslint-plugin-jsx-a11y`